The world's most comfortable and lightest Smart RingMade of fighter-jet grade titanium and skin-friendly contactHeart rate,Spo 2,HRV and Skin temperatureUnderstanding your sleep stagesMonitoring body recovery statusAccurately track your activity dataCaffeine intake recommendation and Improve your work efficiencyListen to your biological clockWater resistance up to 100mBattery life up to 6 days
DimensionsWidth: 8.1mmThickness: 2.45 - 2.8 mm (varies with size)Weight2.4 - 3.6 g (varies with size)MaterialThe outer shell is made from fighter jet grade Titanium reinforced with Tungsten Carbide Carbon coating, making it resistant to everyday wear and tearThe inners of the ring is coated with medical-grade hypoallergenic epoxy resin, making it comfortable to wear at all timesConnectivityBluetooth Low Energy (BLE5)Automatic firmware updates via the Ultrahuman AppCompatible with iPhones running iOS 15 or later and Android devices running Android 6 or laterEMF radiation safeSensorsInfrared Photoplethysmography (PPG) sensorNon-contact medical-grade skin temperature sensor6-axis motion sensorsRed LEDs (heart rate monitoring and oxygen saturation)Green LEDs (heart rate monitoring)Infrared LEDs (heart rate monitoring)BatteryRechargeable, non-replaceable 24mAh LiPo batteryLast up to 6 days on a full charge2 - 3 hours to fully charge the Ring from 0% to 100%Warranty Period: 1year
Kar Kar Redemption Center
Hong Kong Island
1/F, Carnival Commercial Building, 423-425 Hennessy Road, Hong Kong (Exit B of Causeway Bay MTR Station)Tel: +852 3996 8197 / +852 3590 3562Office hours: Monday to Saturday 11AM - 7:30PM; closed on Sundays and public holidays
Kowloon DistrictG/F, Pakhoman Commercial Building, 18 Hillwood Road, Tsim Sha Tsui, Kowloon (Exit D of Jordan MTR Station)Office hours: Monday to Saturday 11AM-7:30PM; Sunday 1PM-5:30PM; closed on public holidaysTel: +852 2395-3913
These Removal Service Terms and Conditions only apply when you purchase regulated electrical appliances in Hong Kong, to be delivered to an address in Hong Kong, under the Producer Eco-responsibility Ordinance (Cap. 603).